const helper = {
  // 根据name获取地址栏的参数值
  getQueryString(name) {
    let reg = new RegExp(`(^|&)${name}=([^&]*)(&|$)`);
    let hash = window.location.hash;
    let search = hash.split("?");
    let r = search[1] && search[1].match(reg);
    if (r != null) return r[2];
    return "";
  },
  // 拼接参数至url
  queryString(url, query) {
    let str = [];
    for (let key in query) {
      str.push(key + "=" + query[key]);
    }
    let paramStr = str.join("&");
    return paramStr ? `${url}?${paramStr}` : url;
  },
};
export default helper;
